Allen-Bradley 1756-PAXTR Power Supply | ControlLogix-XT Redundant Module

Maximum Uptime with Allen-Bradley’s Redundant ControlLogix-XT Power Solution

The 1756-PAXTR delivers critical redundancy for mission-critical ControlLogix-XT applications. This advanced power supply maintains system operation even during power disruptions. It provides continuous operation in the most demanding industrial environments with extended temperature capability.

Advanced Electrical Specifications

• Input Voltage Range: 85-265 V AC for universal power compatibility
• Input Frequency: 47-63 Hz operation across global power standards
• Maximum Input Power: 75 VA / 65 Watts total power consumption
• Isolation Rating: 250 V continuous with reinforced insulation system
• Dielectric Strength: 3250 V DC withstand test for 60 seconds duration
• Annunciator Input: 240 V AC operation with 50/60 Hz frequency rating
• Surge Immunity: ±1 kV line-line and ±2 kV line-earth protection
• RF Immunity: 10 Vrms with 1 kHz modulation from 150 kHz to 80 MHz

Environmental Durability & Certifications

• Operating Temperature: -25°C to +70°C (-13°F to +158°F) extended range
• Storage Temperature: -40°C to +85°C (-40°F to +185°F) non-operating
• Relative Humidity: 5% to 95% non-condensing during operation
• Operational Vibration: 2.0G withstand from 10-500 Hz frequency range
• Operational Shock: 30G impact resistance for rugged environments
• Non-operational Shock: 50G withstand capability during transport
• Maximum Altitude: 2000 meters (6560 feet) above sea level operation

Physical Specifications & Installation

• Dimensions: 17.5 × 14.5 × 13.7 cm (6.9 × 5.7 × 5.4 inches)
• Weight: 1.45 kg (3.2 pounds) for compact and robust construction
• Mounting Flexibility: Any slot position in ControlLogix-XT chassis
• Enclosure Requirement: Open-style module needs IP54 rated cabinet
• Power Wiring: 2.5 mm² copper wire with 0.79 N-m torque specification
• Annunciator Wiring: 0.25-2.5 mm² (22-14 AWG) 90°C rated copper
• Environmental Rating: Pollution Degree 2 for industrial settings

Redundancy & Safety Features

• System Architecture: True N+1 redundancy with mixed power supplies
• Installation Zone: ATEX/IECEx Zone 2 certified enclosure requirement
• Access Safety: Tool-accessible only for secure operation
• Insulation Type: Reinforced insulation for enhanced protection
• Disconnect Protocol: Requires power shutdown before disconnection
• Application Category: Industrial environments with Category II rating

Packaging & Shipping Details

• Package Contents: One 1756-PAXTR redundant power supply module
• Shipping Methods: Worldwide express delivery via FedEx, UPS, DHL
• Quality Commitment: Full 12-month warranty against defects

Expert Technical Questions Answered

• How many power supplies do I need for a redundant configuration?
• You need two 1756-PAXTR units to create a proper N+1 redundant power system.
• Can I mix this power supply with other ControlLogix power models?
• Yes, the system supports mixing and matching with compatible power supply modules.
• What environmental certifications does this module carry?
• It meets ATEX/IECEx Zone 2 requirements with IP54 minimum enclosure rating.
• What is the advantage of the extended temperature range?
• The wide -25°C to +70°C range ensures reliability in extreme climate conditions.
• How does the surge immunity protect against power disturbances?
• It withstands ±1kV line-line and ±2kV line-earth surges for stable operation.